A well-designed living room typically incorporates several key features to enhance comfort, functionality, and style. Here are some of the most common elements:

1. Seating
Sofas and Sectionals: A central piece for relaxation and socializing.
Accent Chairs: Add extra seating and style
Ottomans/Footrests: Provide comfort and additional seating.

2. Coffee Table
A place to set drinks, books, and decorative items, often serving as the centerpiece of the room.

3. Lighting
Ceiling Lights: Chandeliers or recessed lighting.
Floor and Table Lamps: Provide ambient and task lighting.
Natural Light: Windows, glass doors, or skylights to enhance openness.

4. Entertainment Center
TV setup with media consoles for storage and display, possibly incorporating a sound system or gaming setup.

5. Storage Solutions
Shelving Units: For books, decor, or displaying collectibles.
Cabinets: Hidden storage for a clutter-free look.

6. Rugs
Define the seating area and add warmth and texture to the floor.

7. Decorative Elements
Artwork and Wall Decor: Personalizes the space.
Indoor Plants: Bring in nature and freshen the environment.
Mirrors: Create the illusion of more space and light.

8. Window Treatments
Curtains or Blinds: Offer privacy and control lighting, while adding color and texture.

9. Accent Pieces
Throw Pillows and Blankets: Add comfort and a pop of color.
Side Tables: Practical for placing small items like drinks, lamps, or books.

All these elements can be tailored to fit various design styles, from minimalist and modern to classic or eclectic.